'Ceremonious' definitions:

Definition of 'ceremonious'

(from WordNet)
adjective
Characterized by pomp and ceremony and stately display [syn: pompous, ceremonious]
adjective
Rigidly formal or bound by convention; "their ceremonious greetings did not seem heartfelt" [syn: ceremonious, conventional]

Definition of 'Ceremonious'

From: GCIDE
  • Ceremonious \Cer`e*mo"ni*ous\, a. [Cf. F. c['e]r['e]monieux, L. Caerimoniosus.]
  • 1. Consisting of outward forms and rites; ceremonial.
  • Note: [In this sense ceremonial is now preferred.] [1913 Webster]
  • The ceremonious part of His worship. --South. [1913 Webster]
  • 2. According to prescribed or customary rules and forms; devoted to forms and ceremonies; formally respectful; punctilious. "Ceremonious phrases." --Addison. [1913 Webster]
  • Too ceremonious and traditional. --Shak.
  • Syn: Formal; precise; exact. See Formal. [1913 Webster]